Diode-pumped multipath laser oscillators

Juergen Erhard; Holger Laabs; Bernd Ozygus; Horst Weber; Qincheng Zhang

doi:10.1117/12.349262

24 May 1999 Diode-pumped multipath laser oscillators

Juergen Erhard, Holger Laabs, Bernd Ozygus, Horst Weber, Qincheng Zhang

Proceedings Volume 3611, Laser Resonators II; (1999) https://doi.org/10.1117/12.349262
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

Multipath resonators are well known as optical delay lines. By many zick-zack rays between two mirrors large optical path lengths can be obtained. This passive system can be converted into a laser oscillator by closed ray paths and a Nd:YAG crystal at one mirror. Optical pumping occurs by directly coupled diodes at the reflection points. Very efficient (more than 40% optical/optical) and compact systems up to 20 W, with the beam propagation factor m² < 3 were generated. Q-switching and internal frequency doubling were also demonstrated. The fundamental physics of this system including the transverse mode-locking at the degeneration points of the resonator was investigated, experimentally and theoretically.

Citation Download Citation

Juergen Erhard, Holger Laabs, Bernd Ozygus, Horst Weber, and Qincheng Zhang "Diode-pumped multipath laser oscillators", Proc. SPIE 3611, Laser Resonators II, (24 May 1999); https://doi.org/10.1117/12.349262

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